From 6dbd706906d922ae5606eb5654dd804095ffc8c8 Mon Sep 17 00:00:00 2001
From: est31 <MTest31@outlook.com>
Date: Tue, 16 May 2017 08:53:02 +0200
Subject: [PATCH] put option_try macro def under #[cfg(unix)]

---
 src/librustc/util/common.rs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/librustc/util/common.rs b/src/librustc/util/common.rs
index 7b5e2253109aa..17564671a1e36 100644
--- a/src/librustc/util/common.rs
+++ b/src/librustc/util/common.rs
@@ -116,6 +116,7 @@ pub fn record_time<T, F>(accu: &Cell<Duration>, f: F) -> T where
 }
 
 // Like std::macros::try!, but for Option<>.
+#[cfg(unix)]
 macro_rules! option_try(
     ($e:expr) => (match $e { Some(e) => e, None => return None })
 );